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ASTM A369 Grade FPA vs. EN 1.4887 Stainless Steel

Both ASTM A369 grade FPA and EN 1.4887 stainless steel are iron alloys. They have 41% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is ASTM A369 grade FPA and the bottom bar is EN 1.4887 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
170
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 27
45
Fatigue Strength, MPa 180
280
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 240
400
Tensile Strength: Ultimate (UTS), MPa 380
580
Tensile Strength: Yield (Proof), MPa 240
300

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1460
1390
Melting Onset (Solidus), °C 1420
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 52
12
Thermal Expansion, µm/m-K 12
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
39
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.4
6.7
Embodied Energy, MJ/kg 18
96
Embodied Water, L/kg 46
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 89
220
Resilience: Unit (Modulus of Resilience), kJ/m3 150
230
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 13
20
Strength to Weight: Bending, points 15
19
Thermal Diffusivity, mm2/s 14
3.2
Thermal Shock Resistance, points 12
14

Alloy Composition

Carbon (C), % 0 to 0.25
0 to 0.15
Chromium (Cr), % 0
20 to 23
Iron (Fe), % 98.3 to 99.63
34.2 to 45
Manganese (Mn), % 0.27 to 0.93
0 to 2.0
Nickel (Ni), % 0
33 to 37
Niobium (Nb), % 0
1.0 to 1.5
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0.1 to 0.5
1.0 to 2.0
Sulfur (S), % 0 to 0.035
0 to 0.015